OTM vs ESS 41
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTM
Manage before and after school enrichment programs, camps, and clinics. Streamline operations for your organization with this comprehensive software solution.
- Enrichment program management
- Camp management
- Clinic management
- Before and after school program scheduling
- Software solution
Read full descriptionHide full description
Before and After School Enrichment , Camp and Clinic Software Management.
ESS 41
Manage your work schedule, request time off, and trade shifts with colleagues. This app allows you to view your timecard, update availability, and even clock in and out using geofencing technology.
- View schedule
- Request day-off & time-off
- Perform Shift Trade
- Bid on open shifts
- View timecard
- Update availability
- Geofence enabled mobile clock
Read full descriptionHide full description
With ESS app, team members can: · View schedule · Request day-off & time-off · Perform Shift Trade with teammates · Bid on open shifts or request additional shifts · View timecard · Update availability and get shifts accordingly · Request for alternate work locations · Clock your work hours using Geofence enabled mobile clock
Screenshots
Verdict
The clearest difference is rating: OTM at 5.0 against ESS 41's 1.4. ESS 41's advantage is ratings volume (3.1K vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OTM holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: ESS 41 has 3.1K ratings behind it against 1, so its average is the more settled of the two.
OTM ships an update every 6 weeks, ESS 41 every 5 weeks. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.
| Parameter | OTM | ESS 41 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.4 (3.1K ratings) |
| Positive reviews | — | 3.3% of reviews |
| Number of ratings | 1 | 3.1K — better |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Chris Whelan | Reflexis Systems Inc |
Customer experience
OTM
ESS 41
Bugs and requests
OTM
Not enough reviews yet to summarise bugs or requests.
ESS 41
Reported bugs
4 issues- Login errors and inability to log in
- Schedules not displaying correctly
- Sync issues with calendar
- Crashing on certain device models
Requested features
4 requests- Push notifications for schedule changes
- Ability to request time off directly in the app
- Improved user interface and navigation
- Support for biometric login (Face ID, Touch ID)
In-app purchases
OTM
No in-app purchases
ESS 41
No in-app purchases









